document.write( "Question 817631: Working together, Sarah and Heidi can clean the garage in 6 hours. If they work alone, it takes Heidi 9 hours longer than it takes Sarah. How long would it take Heidi to clean the garage alone?
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #492532 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
6/h+6/s=1,
\n" ); document.write( "h=s+9
\n" ); document.write( "h = 18, s = 9
\n" ); document.write( "
\n" );